Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1998FIREBIRD V8-5.7L VIN GREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTAPPLICATION AND IDENGINE SYSTEM IDENTIFICATION
1998 Pontiac Firebird V8-5.7L VIN G
Engine System Identification
1998 Pontiac Firebird V8-5.7L VIN GSECTION Engine System Identification
Engine VIN Code ID [1] G
Engine RPO Code LS1
Engine Displacement 5.7L (350 cid)
Engine Configuration V8
Fuel System Sequential Multiport Fuel Injection
Ignition System DIS - 1 Coil Per Cylinder
Computer System Powertrain Control Module (PCM)
Remarks:
[1] The eighth digit of the VIN denotes engine code.
Engine RPO Code LS1
Engine Displacement 5.7L (350 cid)
Engine Configuration V8
Fuel System Sequential Multiport Fuel Injection
Ignition System DIS - 1 Coil Per Cylinder
Computer System Powertrain Control Module (PCM)
Remarks:
[1] The eighth digit of the VIN denotes engine code.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.